Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 297-0012-01 USB Communications Cable for Nephelometer Price on request 385-0095-01 IOM Sample accesory, sample holder Price on request 800286 Bubble Generator, Standard Flow Cell, Gilibrator 2 (Plastic Cell only) Price on request